Import Geant4 9.6.0 source tree

source/analysis/include/tools/words

@@ -44,6 +44,50 @@ inline std::vector<std::string> words(const std::string& a_string,const std::str
   return v;
 }
 
+inline void words(const std::string& a_string,
+                  const std::string& a_sep,bool a_take_empty,
+                  //output :
+                  unsigned int& a_wn,
+                  std::string::size_type* a_wps,
+                  std::string::size_type* a_wls){
+  //used to optimize inlib::match().
+  a_wn = 0;
+  if(a_string.empty()) return;
+  std::string::size_type lim = (a_take_empty?0:1);
+  if(a_sep.empty()) {
+    //a_words.push_back(a_string);
+    a_wps[a_wn] = 0;
+    a_wls[a_wn] = a_string.length();
+    a_wn++;
+  } else {
+    std::string::size_type l = a_string.length();
+    std::string::size_type llimiter = a_sep.length();
+    std::string::size_type pos = 0;
+    while(true) {
+      std::string::size_type index = a_string.find(a_sep,pos);
+      if(index==std::string::npos){ // Last word.
+        if((l-pos)>=lim) {
+          //a_words.push_back(a_string.substr(pos,l-pos));
+          a_wps[a_wn] = pos;
+          a_wls[a_wn] = l-pos;
+          a_wn++;
+        }
+        break;
+      } else {
+        //     abcxxxef
+        //     0  3  67
+        if((index-pos)>=lim) {
+          //a_words.push_back(a_string.substr(pos,index-pos));
+          a_wps[a_wn] = pos;
+          a_wls[a_wn] = index-pos;
+          a_wn++;
+        }
+        pos = index + llimiter;
+      }
+    }
+  }
+}
+
 }
 
 #endif